COSRX BHA Blackhead Power Liquid — Efficacy 3.8/5.0, Safety 4.8/5.0 | DemythSkin
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[ DemythSkin Verdict ]
COSRX BHA Blackhead Power Liquid

COSRX BHA Blackhead Power Liquid

ExfoliantBlackheads, clogged pores, excess oil
Efficacy
Solid
3.8 / 5.0
Safety
Excellent
4.8 / 5.0
System Verdict
Solid mid-tier BHA exfoliant that works for blackheads but overhyped due to milder Betaine Salicylate needing higher frequency for results. Efficacy score of 3.8 reflects 4% Betaine Salicylate (equivalent to ~2% free salicylic acid) paired synergistically with Niacinamide for oil control, effective at pH ~5.5 where neutralized salicylates retain activity per studies, plus hydrators like Panthenol and Sodium Hyaluronate; deducts from 5.0 as it's less potent than pure 2% Salicylic Acid and lacks encapsulation for deeper penetration.
Active Ingredients Detected
A Tier: Good BasicsProven Results
Betaine SalicylateNiacinamideArgininePanthenolSodium Hyaluronate
B Tier: Supporting IngredientsPromising Ingredients
Salix Alba (Willow) Bark WaterButylene Glycol1,2-HexanediolXanthan GumEthyl Hexanediol
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DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.